The I Ching uses the simplest method to solve the most difficult problems, which is the wisdom of the ancients.
After you know the answer, you will feel that the truth is too clear, but you never imagined it. Maybe you won't be able to find the answer in your lifetime, but those who know the answer don't care about it anymore.
The ancients have already written down the content, but later generations used some tricks on it, and many confused people were willingly deceived.